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Randomly ask for user submission of already-matching IPv6 fingerprint from weak groups

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dmiller
2016-09-30 05:30:44 +00:00
parent 3a69dbaa51
commit 7128753730
1 changed files with 12 additions and 2 deletions
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14
output.cc
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@@ -1924,12 +1924,22 @@ void printosscanoutput(Target *currenths) {
for (i = 1; i < FPR->num_perfect_matches; i++)
log_write(LOG_MACHINE, "|%s", FPR->matches[i]->OS_name);
unsigned short numprints = FPR->matches[0]->numprints;
log_write(LOG_PLAIN, "OS details: %s", FPR->matches[0]->OS_name);
for (i = 1; i < FPR->num_perfect_matches; i++)
for (i = 1; i < FPR->num_perfect_matches; i++) {
numprints = MIN(numprints, FPR->matches[i]->numprints);
log_write(LOG_PLAIN, ", %s", FPR->matches[i]->OS_name);
}
log_write(LOG_PLAIN, "\n");
if (o.debugging || o.verbose > 1)
/* Suggest submission of an already-matching IPv6 fingerprint with
* decreasing probability as numprints increases, and never if the group
* has 5 or more prints or if the print is unsuitable. */
bool suggest_submission = currenths->af() == AF_INET6 && reason == NULL && rand() % 5 >= numprints;
if (suggest_submission)
log_write(LOG_NORMAL | LOG_SKID_NOXLT | LOG_STDOUT,
"Nmap needs more fingerprint submissions of this type. Please submit via https://nmap.org/submit/\n");
if (suggest_submission || o.debugging || o.verbose > 1)
write_merged_fpr(FPR, currenths, reason == NULL, true);
} else {
/* No perfect matches. */